Leonard Landois — (December 1, 1837 November 17, 1902) was a German physiologist who was a native of Münster. He studied medicine at the University of Greifswald, and was later a professor and director of the institute of physiology at Greifswald. In 1866 he… … Wikipedia

Apt-Downey test — The Apt Downey test is used to help differentiate between maternal from baby blood.The blood is placed in a test tube; sterile water is added to hemolyze the RBCs, yielding free hemoglobin.This solution then is mixed with 1% sodium hydroxide. If… … Wikipedia

blood group — Med. any of various classes into which human blood can be divided according to immunological compatibility, based on the presence or absence of specific antigens on red blood cells. Also called blood type. Cf. ABO system, Rh factor. [1915 20] * * … Universalium